Protective coating for metals

Details Protective coating for metals Protective coating for metals

1986-04-04

1987-06-30

Silverberg, Sam

Metal treatment

Compositions

Heat treating

148400, C23C 2243

Patent

active

046768424

ABSTRACT:
Enhanced resistance to the corrosion of metals such as aluminum, zinc, magnesium and the like is achieved by the application of a metallo-gel film. The composition of the coating uniquely includes liquid manganese nitrate and sodium tungstate as accelerators which accelerate and activate the chromate sources to coat the metal surface being treated.

REFERENCES:
patent: 3347713 (1967-10-01), Lodeesen
patent: 3404044 (1968-10-01), Russel
patent: 3410707 (1968-11-01), Pecock
patent: 3752708 (1973-08-01), Newell
patent: 3993510 (1976-11-01), Bellguin
patent: 3998670 (1976-12-01), Umeyano
patent: 4088621 (1978-05-01), Miller

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